Posts misleadingly claim Pfizer vaccine efficacy is overstated

A far-right website known for publishing anti-science conspiracy theories published an article that falsely claims that the effectiveness of the Pfizer COVID-19 vaccine in clinical trials was “massively overstated.” Similarly, a social media post with over 11,000 engagements says that the Pfizer vaccine has “horrifically poor” efficacy in young children.

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The Public Health Communications Collaborative (PHCC) was formed in 2020 to coordinate and amplify public health messaging on COVID-19 and increase Americans’ confidence in guidance from the Centers for Disease Control and Prevention (CDC) and state and local public health officials.

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